An insulation resistance meter for power detection

Abstract

This utility model discloses an insulation resistance meter for power testing, relating to the technical field of insulation resistance meters. The device includes an insulation resistance meter body, a protective shell on the outside of the body, a first fixing block at the top inside the protective shell with a first movable groove, a driving mechanism within the groove, a second fixing block at the bottom inside the protective shell with a second movable groove, a clamping mechanism between the first and second movable grooves, and an annular groove on the back of the protective shell with an adjusting mechanism within it. The protective shell protects the insulation resistance meter body, and the clamping mechanism, driven by the driving mechanism, clamps and fixes the meter body for easy handling and positioning. The adjusting mechanism allows rotation of the meter body, facilitating its use when worn on the arm, thus improving convenience.

Description

Technical Field

[0001] This utility model relates to the technical field of insulation resistance meters, specifically an insulation resistance meter for power testing. Background Technology

[0002] The insulation resistance meter for power testing is a testing instrument with innovative design and advanced functions. It has a wide range of applications, including insulation resistance testing of substation equipment, transmission lines, etc., to ensure the safe operation of the power system; it is suitable for the regular maintenance and troubleshooting of electrical equipment such as factory motors, transformers, and switchgear; and it can detect the insulation condition of lines and equipment during the electrical installation and acceptance of buildings.

[0003] Existing insulation resistance meters offer poor protection and low impact resistance, making them easily damaged by collisions and affecting their usability. Furthermore, they require operators to carry them in their pockets, which is inconvenient and restricts their movement, thus limiting their practicality.

[0004] Based on this, an insulation resistance meter for power testing is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this utility model is to provide an insulation resistance meter for power testing, so as to solve the problems of existing insulation resistance meters in the background art which do not have protective effect, have low impact resistance, are easily damaged by collisions, affect the use of insulation resistance meters, and are not convenient to use because they need to be carried by the staff in their pockets and taken out when needed, which also makes the staff's movement inconvenient and their practicality low.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An insulation resistance meter for power testing includes an insulation resistance meter body, a protective shell on the outside of the insulation resistance meter body, a first fixing block at the top inside the protective shell with a first movable groove, a driving mechanism inside the first movable groove, a second fixing block at the bottom inside the protective shell with a second movable groove, a guiding mechanism inside the second movable groove, a clamping mechanism between the first and second movable grooves, and an annular groove on the back of the protective shell with an adjustment mechanism inside the annular groove.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] In one alternative: the drive mechanism includes a bidirectional screw, one end of which is rotatably connected to the inner wall of the first movable groove, and the other end of which is fixedly connected to the motor output end on the outer side of the protective shell.

[0010] In one alternative: the guiding mechanism includes a guide rod, the two ends of which are fixedly connected to the inner walls of the two sides of the second movable groove.

[0011] In one alternative: the clamping mechanism includes clamping plates, which are symmetrically arranged inside the protective shell. The top end of the clamping plate is located in a first movable groove and is rotatably connected to a bidirectional screw. The bottom end of the clamping plate is located in a second movable groove and is slidably connected to a guide rod.

[0012] In one alternative: the annular groove is provided with a plurality of limiting grooves, and the limiting grooves are evenly distributed on the inner wall of the annular groove.

[0013] In one alternative embodiment: the adjusting mechanism includes a connecting block, a movable block is provided on one side of the connecting block and the movable block is located in a limiting groove, a sliding groove is provided in the movable block, a limiting block is slidably connected in the sliding groove, the limiting block and the bottom surface of the sliding groove are fixedly connected by a spring, and the limiting block and the limiting groove cooperate with each other.

[0014] In one alternative: mounting blocks are provided on both sides of the connecting block, a fixing strap is provided on the outer side of the mounting block, and a buckle is provided at the outer end of the fixing strap.

[0015] In one alternative embodiment: the insulation resistance meter body is provided with a display screen, and a control switch is provided on the insulation resistance meter body below the display screen.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model's protective shell can protect the insulation resistance meter body. The driving mechanism drives the clamping mechanism to clamp and fix the insulation resistance meter body, making it easy to pick up and fix. The adjustment mechanism can rotate the angle of the insulation resistance meter body, making it convenient for workers to wear on their arms and use, thus improving convenience. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the protective shell of this utility model.

[0020] Figure 3 This is a schematic diagram of the annular groove structure of this utility model.

[0021] Figure 4This is a schematic diagram of the adjustment mechanism of this utility model.

[0022] Figure reference numerals: 1. Protective shell; 2. First fixing block; 3. First movable groove; 4. Bidirectional screw; 5. Motor; 6. Second fixing block; 7. Second movable groove; 8. Guide rod; 9. Clamping plate; 10. Display screen; 11. Insulation resistance meter body; 12. Annular groove; 13. Limiting groove; 14. Movable block; 15. Slide groove; 16. Limiting block; 17. Spring; 18. Connecting block; 19. Mounting block; 20. Fixing strap; 21. Lock; 22. Control switch. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0024] In one embodiment, such as Figures 1-4 As shown, an insulation resistance meter for power testing includes an insulation resistance meter body 11, a protective shell 1 on the outside of the insulation resistance meter body 11, a first fixing block 2 at the top inside the protective shell 1, a first movable groove 3 on the first fixing block 2, a driving mechanism inside the first movable groove 3, a second fixing block 6 at the bottom inside the protective shell 1, a second movable groove 7 on the second fixing block 6, a guiding mechanism inside the second movable groove 7, a clamping mechanism between the first movable groove 3 and the second movable groove 7, and an annular groove 12 on the back of the protective shell 1, an adjusting mechanism inside the annular groove 12. The protective shell 1 can protect the insulation resistance meter body 11, and the clamping mechanism driven by the driving mechanism can clamp and fix the insulation resistance meter body 11, making it easy to pick up and fix. The adjusting mechanism can rotate the angle of the insulation resistance meter body 11, making it convenient for workers to wear on their arms and improving convenience.

[0025] In one embodiment, such as Figure 2 As shown, the drive mechanism includes a bidirectional screw 4. One end of the bidirectional screw 4 is rotatably connected to the inner wall of the first movable groove 3, and the other end of the bidirectional screw 4 is fixedly connected to the output end of the motor 5 on the outer side of the protective shell 1. Starting the motor 5 can drive the bidirectional screw 4 to rotate.

[0026] In one embodiment, such as Figure 2 As shown, the guiding mechanism includes a guide rod 8, with both ends of the guide rod 8 fixedly connected to the inner walls of both sides of the second movable groove 7, which facilitates the movement of the clamping plate 9 in the horizontal direction.

[0027] In one embodiment, such as Figure 2As shown, the clamping mechanism includes a clamping plate 9, which is symmetrically arranged inside the protective shell 1. The top of the clamping plate 9 is located in the first movable groove 3 and is threadedly connected to the bidirectional screw 4. The bottom of the clamping plate 9 is located in the second movable groove 7 and is slidably connected to the guide rod 8. During the rotation of the bidirectional screw 4, the clamping plate 9 moves relative to the insulation resistance meter body 11, which clamps and fixes it, making it easy to pick up and fix and limit the position.

[0028] In one embodiment, such as Figure 3 As shown, a number of limiting grooves 13 are provided in the annular groove 12, and the limiting grooves 13 are evenly distributed on the inner wall of the annular groove 12.

[0029] In one embodiment, such as Figure 3 and Figure 4 As shown, the adjustment mechanism includes a connecting block 18, a movable block 14 is provided on one side of the connecting block 18, and the movable block 14 is located in the limiting groove 13. A sliding groove 15 is provided in the movable block 14, and a limiting block 16 is slidably connected in the sliding groove 15. The limiting block 16 and the bottom surface of the sliding groove 15 are fixedly connected by a spring 17. The limiting block 16 and the limiting groove 13 cooperate with each other. When the protective shell 1 is rotated, the movable block 14 rotates in the limiting groove 13, and the limiting block 16 is pressed into the sliding groove 15 under pressure. The limiting block 16 and the limiting groove 13 cooperate to achieve the limiting and fixing of the protective shell 1.

[0030] In one embodiment, such as Figure 4 As shown, mounting blocks 19 are provided on both sides of the connecting block 18, and a fixing strap 20 is provided on the outside of the mounting block 19. A buckle 21 is provided at the outer end of the fixing strap 20. The protective shell 1 is fixed to the worker's arm by the fixing strap 20 and locked by the buckle 21.

[0031] In one embodiment, such as Figure 1 As shown, an insulation resistance meter body 11 is provided with a display screen 10, and a control switch 22 is provided on the insulation resistance meter body 11 below the display screen 10.

[0032] Working principle: In use, the insulation resistance meter body 11 is placed inside the protective shell 1. The motor 5 is started, and the motor 5 drives the bidirectional screw 4 to rotate. During the rotation of the bidirectional screw 4, the clamping plate 9 moves relative to the insulation resistance meter body 11, thereby clamping and fixing it for easy handling and positioning. The protective shell 1 protects the insulation resistance meter body 11. The protective shell 1 is fixed to the worker's arm by the fixing strap 20 and locked by the buckle 21, making it convenient for the worker to wear and use, improving convenience. When the protective shell 1 is rotated, the movable block 14 rotates in the limiting groove 13. The limiting block 16 is pressed into the sliding groove 15. Through the cooperation of the limiting block 16 and the limiting groove 13, the protective shell 1 is limited and fixed, allowing the protective shell 1 to rotate freely and be limited, improving practicality.

Claims

1. An insulation resistance meter for electrical testing, comprising an insulation resistance meter body (11), characterized in that, The insulation resistance meter body (11) is provided with a protective shell (1) on the outside. A first fixing block (2) is provided at the top inside the protective shell (1). A first movable groove (3) is provided on the first fixing block (2). A driving mechanism is provided in the first movable groove (3). A second fixing block (6) is provided at the bottom inside the protective shell (1). A second movable groove (7) is provided on the second fixing block (6). A guiding mechanism is provided in the second movable groove (7). A clamping mechanism is provided between the first movable groove (3) and the second movable groove (7). An annular groove (12) is provided on the back of the protective shell (1). An adjustment mechanism is provided in the annular groove (12).

2. The insulation resistance meter for power testing according to claim 1, characterized in that, The driving mechanism includes a bidirectional screw (4), one end of which is rotatably connected to the inner wall of the first movable groove (3), and the other end of which is fixedly connected to the output end of the motor (5) on the outside of the protective shell (1).

3. The insulation resistance meter for power testing according to claim 1, characterized in that, The guiding mechanism includes a guide rod (8), and the two ends of the guide rod (8) are fixedly connected to the inner walls of the two sides of the second movable groove (7).

4. The insulation resistance meter for power testing according to claim 1, characterized in that, The clamping mechanism includes a clamping plate (9), which is symmetrically arranged inside the protective shell (1). The top end of the clamping plate (9) is located in the first movable groove (3) and is threadedly connected to the bidirectional screw (4). The bottom end of the clamping plate (9) is located in the second movable groove (7) and is slidably connected to the guide rod (8).

5. The insulation resistance meter for power testing according to claim 1, characterized in that, The annular groove (12) is provided with a plurality of limiting grooves (13), and the limiting grooves (13) are evenly distributed on the inner wall of the annular groove (12).

6. The insulation resistance meter for power testing according to claim 1, characterized in that, The adjustment mechanism includes a connecting block (18), a movable block (14) is provided on one side of the connecting block (18), and the movable block (14) is located in the limiting groove (13). A sliding groove (15) is provided in the movable block (14), and a limiting block (16) is slidably connected in the sliding groove (15). The limiting block (16) and the bottom surface of the sliding groove (15) are fixedly connected by a spring (17). The limiting block (16) and the limiting groove (13) cooperate with each other.

7. The insulation resistance meter for power testing according to claim 6, characterized in that, The connecting block (18) has mounting blocks (19) on both sides, and a fixing strap (20) is provided on the outer side of the mounting block (19), and a buckle (21) is provided at the outer end of the fixing strap (20).

8. The insulation resistance meter for power testing according to claim 1, characterized in that, The insulation resistance meter body (11) is provided with a display screen (10), and a control switch (22) is provided on the insulation resistance meter body (11) below the display screen (10).

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